Loans, Allowance for Loan Losses and Credit Quality (Textual) (Details) - USD ($)	6 Months Ended
	Jun. 30, 2020	Jun. 30, 2019	Dec. 31, 2019
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Troubled Debt Restructuring, Commitment to Lend			$ 2,100,000
Financing Receivable, Troubled Debt Restructuring, Subsequent Default	$ 0
Days to be termed as non accrual loans	90 days
Tdrs Recorded Investment On Nonaccrual Status	$ 24,098,000		$ 24,766,000
Residential Real Estate [Member]
Accounts, Notes, Loans and Financing Receivable [Line Items]
Financing Receivable, Troubled Debt Restructuring, Subsequent Default		$ 120,000